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Finding the Fourth Proportional to 67,003.29, 100,410.44 and 37,031.03

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Solution

The fourth proportional to 67,003.29, 100,410.44 and 37,031.03 is: 55,494.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,003.29 : 100,410.44 = 37,031.03 : x
  2. Step 2: Convert to fraction form
    67,003.29/100,410.44 = 37,031.03/x
  3. Step 3: Cross multiply
    67,003.29x = 100,410.44 × 37,031.03
  4. Step 4: Simplify right side
    67,003.29x = 3,718,302,015.95
  5. Step 5: Solve for x
    x = 3,718,302,015.95/67,003.29
  6. Step 6: Final answer
    x = 55,494.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.